diff --git a/source/lib/StatusBoard/Site.class.php b/source/lib/StatusBoard/Site.class.php
index 30ac219..7688ccc 100644
--- a/source/lib/StatusBoard/Site.class.php
+++ b/source/lib/StatusBoard/Site.class.php
@@ -16,7 +16,7 @@ class StatusBoard_Site extends StatusBoard_DatabaseObject {
         return static::all_for('service', $service->id);
     } 
     
-    public function openIncidents() {
+    public function openIncidents($ignore_cache = false) {
         if ($this->incidents_open === null || $ignore_cache) {
             $this->incidents_open = StatusBoard_Incident::open_for_site($this);
         }